A Ph.D. in Organic Chemistry compliments Ryan's law practice.

Ryan uses his extensive technical background to counsel clients in the chemicals, products, and energy sectors regarding environmental regulatory issues. Ryan’s experience includes:

  • Advising clients on Toxic Substances Control Act (TSCA) matters, including implementation of the 2016 reform legislation.
  • Advising product manufacturers, retailers, and other clients on extended producer responsibility, waste classification, chemical hazard classification, chemical notification requirements, and product materials restrictions both domestically and abroad.
  • Reviewing marketing materials and drafted internal guidance documents for companies seeking to ensure compliance with environmental marketing enforcement guidance around the globe, including the Federal Trade Commission’s Green Guides.
  • Negotiating with Environmental Protection Agency and Department of Justice officials on Clean Air Act Prevention of Significant Deterioration enforcement matters.
  • Briefing a National Environmental Policy Act matter in both federal district and appellate courts.
  • Working closely with federal regulators to draft environmental covenants containing complex land use restrictions.


  • College of William and Mary  (B.S., magna cum laude, 2002)
    • Chemistry
  • University of Illinois - Urbana-Champaign  (Ph.D., 2008)
    • Organic Chemistry
  • University of Virginia  (J.D., 2011)
    • Managing Editor, Virginia Environmental Law Journal

Bar Admissions

  • District of Columbia
  • Virginia

Honors & Awards

  • Super Lawyers, part of Thomson Reuters, Washington, DC, Rising Star (2016-2021)
  • National Law Review, Go-To Thought Leader, Chemical Products Litigation (2019)